list: List the active configuration (or from the file specified)
edit: Edit the configuration file in an editor
get: Get the value associated with name
set: Set the name=value
unset: Unset the value associated with name

If none of –user, –global and –venv are passed, a virtual
environment configuration file is used if one is active and the file
exists. Otherwise, all modifications happen on the to the user file by
default.